It was 'The Great Migration.'
"The Great Migration<span> was the movement of 6 million African-Americans out of the rural Southern United States to the urban Northeast, Midwest, and West that occurred between 1910 and 1970."</span>
The Native Americans defeated them in the battle of Little Big Horn in 1876
One of the central factors in the establishment of the trans-Saharan trade was "<span>b. The domestication of the camel," since only camels could survive the very long distances and extreme heat. </span>
Answer:
19 militants associated with the Islamic extremist group al Qaeda hijacked four airplanes and carried out attacks against targets in the United States. Two of the planes were flown into the twin towers of the World Trade Center in New York City, a third plane hit the Pentagon just outside Washington, D.C